. ♪ >>> marriage momentum the president of the united states throws his support behind same- sex marriage. >>> as maryland pushes to keep it out of the state. what this could mean for voters come november. >>> hello everybody i'm denise koch. >> and i'm vic carter, here's what people are talking about tonight. >> president obama takes a stern stand on same-sex marriage. maryland has a petition to put the marriage equality law on the ballot. >> reporter: after years of saying his stance on same-sex marriage was evolving, president obama becomes the first president in history to come out for same-sex marriage. >> it is important for me to go ahead and affirm that same-sex couples should be able to get married. >> reporter: it comes days after north carolina votes to make marriage between a man and a woman. those against it tell wjz they are now close enough to getting the signatures they need to put the issue on the november ballot. >> for the thousands of voting citizens that are writing their names on these petitions we don't plan on losing. >> reporter: mccoy with the marriage alliance d